Here are some screenshots showing all of the options you will have if you choose a Custom theme for your book: Related ArticlesHow can I see what the different fonts look like, so I know which one to choose?What are the different features in the Free, Standard and Pro author plans?What are the settings for each of the different Book Themes?I can't find the "Custom" theme option on my book. Where can I find it?In the Custom book Theme, Leanpub has a LOT of optional settings for making the formatting of parts, chapters and sections automatically consistent. Can you explain this in a bit more detail?